Not All Samples Are Equal: Quantifying Instance-level Difficulty in Targeted Data Poisoning Authors: William Xu, Yiwei Lu, Yihan Wang, Matthew Y. R. Yang, Zuoqiu Liu, Gautam Kamath, Yaoliang Yu | Published: 2025-09-08 Poisoningポイズニング難易度Attack Method 2025.09.08 2025.09.10 Literature Database